护理入学考试化学练习卷（附答案）

免费可打印的护理入学考试化学练习卷：8 道题，从简单到考试水平，附答案。可打印或另存为 PDF。

新练习卷在线练习，附提示

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1.简单

How many moles of oxygen atoms are in 1 mole of carbon dioxide, CO₂?

  1. A2
  2. B0.5
  3. C3
  4. D1
2.简单

酸和碱相互中和时产生什么？

  1. A只有二氧化碳
  2. B更强的酸
  3. C盐和水
  4. D金属和氢气
3.简单

According to the Arrhenius definition, what does an acid produce in water?

  1. AHydroxide ions (OH⁻)
  2. BSodium ions (Na⁺)
  3. COxide ions (O²⁻)
  4. DHydrogen ions (H⁺)
4.中等

A radioactive isotope has a half-life of 5 days. A sample starts with 80 g. How much is left after 10 days?

  1. A40 g
  2. B10 g
  3. C0 g
  4. D20 g
5.中等

0.5 mol of KCl is dissolved to make 250 mL of solution. What is its molarity?

  1. A0.125 M
  2. B0.5 M
  3. C2 M
  4. D125 M
6.中等

To which family of organic compounds does ethanol, C₂H₅OH, belong?

  1. AAlcohols
  2. BEsters
  3. CAlkanes
  4. DCarboxylic acids
7.困难

Magnesium burns as 2Mg + O₂ → 2MgO. What mass of MgO (40 g/mol) forms from 48 g of Mg (24 g/mol)?

  1. A40 g
  2. B80 g
  3. C48 g
  4. D160 g
8.困难

How many grams of NaCl are in 250 mL of 0.9% (w/v) normal saline?

  1. A22.5 g
  2. B2.25 g
  3. C9 g
  4. D0.9 g

答案

  1. 1. A · 2
  2. 2. C · 盐和水
  3. 3. D · Hydrogen ions (H⁺)
  4. 4. D · 20 g
  5. 5. C · 2 M
  6. 6. A · Alcohols
  7. 7. B · 80 g
  8. 8. B · 2.25 g

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